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The Zilog eZ80 is an 8-bit microprocessor designed by Zilog as an updated version of the company's first product, the highly-successful Zilog Z80. The eZ80 is binary compatible with the Z80, but operating almost three times faster at the same clock frequency .
Zilog eZ80 @ 48 MHz 256 KB of RAM (154 KB user accessible), 4 MB of Flash ROM (3 MB user accessible) 320×240 pixels 26×10 characters (large font) 7.6 × 3.4 × 0.75: No 2015 150 Allowed Allowed TI-85: Zilog Z80 @ 6 MHz 28 KB of RAM 128×64 pixels 21×8 characters 6.875 x 3.31 x 0.938: No 1992 130 Allowed Allowed TI-86: Zilog Z80 @ 6 MHz
The Zilog Z80 is an 8-bit microprocessor designed by Zilog that played an important role in the evolution of early computing. Launched in 1976, it was designed to be software-compatible with the Intel 8080, offering a compelling alternative due to its better integration and increased performance.
The basic architecture, a modified (non-strict) Harvard architecture, is technically very different from the Zilog Z80. Despite this, the instruction set and assembly language syntax are quite similar to other Zilog processors: Load/store operations use the same LD mnemonic (no MOV or MOVEs), typifying instructions such as DJNZ, are the same ...
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On the other hand, the fast 24-bit eZ80 (introduced 2001) has been both commercially successful and won engineering awards. Unlike the Z800, Z280, and Z380, the eZ80 does not introduce many new instructions or addressing modes, in comparison to the original Z80, but instead primarily extends the 16-bit registers of the Z80 to 24 bits wide.
Patrick Mahomes is batting down claims of preferential treatment as the Kansas City Chiefs move ever-closer to a Super Bowl berth.. With his team being one win away from the title game and after a ...
De'Aaron Fox #5 of the Sacramento Kings looks on against the Philadelphia 76ers on January 01, 2025. (Photo by Thearon W. Henderson/Getty Images) ((Photo by Thearon W. Henderson/Getty Images))